FORUM: Sports

Athletic activity has served me well as a favored pastime throughout my life. For me, athletics is an enjoyable method of reversing physical withering resulting from long periods of primarily motionless sitting when working at a desk. Athletics provides an applied setting in which to employ scientific and engineering knowledge and evaluate specific measurable personal … Continue reading FORUM: Sports

FORUM: Birds of Prey

Thus far, I’ve lived in eastern seaboard, southern border, west coast, and Midwestern states in the US. I’ve explored prairies, woods, forests, deserts, wetlands, rivers, and beaches everywhere that I’ve lived. In this activity a few vertebrates I’ve encountered in the wild triggered my consternation. One species was venomous snakes, particularly Sidewinders in Arizona (https://odajournal.com/2021/01/27/forum-sonoran-desert/) … Continue reading FORUM: Birds of Prey

FORUM: Accelerating Climate Change and Associated Disasters

Forecasts based on legacy statistical methods have radically underestimated the pace and extent of global warming. Associated silique such as storm intensity and frequency, greenhouse gas emissions, infrastructure failures, famines, epidemics, and organic extinctions will accelerate and exacerbate. May 20, 2021: Unparalleled Arctic Climate: https://earther.gizmodo.com/its-sundress-weather-in-the-arctic-1846928838?fbclid=IwAR07wbEGz0ugA6dopukRusSz0KH7ejy3t6hp_St2xHOt44nbm0JGLOHM4fk May 24, 2021: "Economic forecasts predicting the potential impact of … Continue reading FORUM: Accelerating Climate Change and Associated Disasters

Using ODA to Estimate Propensity-Weight-Adjusted Treatment Effects for Multi-Valued Treatments

Paul R. Yarnold, Ph.D., Fred B. Bryant, Ph.D., Ariel Linden, Dr.P.H. Optimal Data Analysis, LLC, Loyola University Chicago, Linden Consulting Group, LLC We demonstrate the use of optimal data analysis to obtain a hierarchically optimal classification tree-based propensity score model for an application with three (treatment) groups, and to assess outcome differences between treatment groups … Continue reading Using ODA to Estimate Propensity-Weight-Adjusted Treatment Effects for Multi-Valued Treatments